Test Bank For Business Statistics Communicating With Numbers 4th Edition Jaggia Updated 2024/25.
Test Bank For Business Statistics Communicating With Numbers 4th Edition Jaggia Updated 2024/25.
Test Bank For Business Statistics Communicating With Numbers 4th Edition Jaggia Updated 2024/25.
...
Communicating With Numbers 4th Edition
Jaggia Updated 2024/25.
,Business Statistics Communicating with Numbers Edition 4
by Jaggia
CORRECT ANSWERS ARE LOCATED IN THE 2ND HALF OF THIS DOC.
TRUE/FALSE - Write 'T' if the statement is true and 'F' if the statement is false.
1) Statistics is the science of transforming data into useful information.
⊚ true
⊚ false
2) Statistics is the methodology of extracting unnecessary information from a data set.
⊚ true
⊚ false
3) The branch of statistical studies called descriptive statistics summarizes important aspects of
a data set.
⊚ true
⊚ false
4) The branch of statistical studies called inferential statistics refers to drawing conclusions
about sample data by analyzing the corresponding population.
⊚ true
⊚ false
5) A population is a larger data set than its corresponding sample.
⊚ true
⊚ false
6) Population parameters are used to estimate corresponding sample statistics.
⊚ true
⊚ false
7) Typically, it is possible to examine every member of the population.
⊚ true
⊚ false
8) Cross-sectional data contain values of a characteristic of one subject collected over time.
⊚ true
⊚ false
9) Time series data contain values of a characteristic of a subject over time.
⊚ true
⊚ false
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,Business Statistics Communicating with Numbers Edition 4
by Jaggia
10) Structured data tends to include numbers, dates, and groups of words and numbers called
strings.
⊚ true
⊚ false
11) Unstructured data conforms to a predefined row-column format.
⊚ true
⊚ false
12) Big data is a catchphrase that implies a complete set of population data.
⊚ true
⊚ false
14) Both discrete and continuous variables may assume an uncountable number of values.
⊚ true
⊚ false
15) A discrete variable cannot assume an infinite number of values.
⊚ true
⊚ false
16) A continuous variable assumes any value from an interval (or collection of intervals).
⊚ true
⊚ false
17) A professor's gender (male, female) as well as rank (assistant, associate, full) represent
ordinal data.
⊚ true
⊚ false
18) A professor's rank (assistant, associate, and full), as well as salary, represent ordinal data.
⊚ true
⊚ false
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, Business Statistics Communicating with Numbers Edition 4
by Jaggia
19) Many people believe that statistics has no use in real life.
⊚ true
⊚ false
20) The weather forecast cannot be based on only the weather for the last three days.
⊚ true
⊚ false
21) Data and data interpretation do not show up in every facet of life.
⊚ true
⊚ false
22) A population is defined as all possible subjects of a specific group.
⊚ true
⊚ false
23) Researchers use sample results in an attempt to estimate an unknown population statistic.
⊚ true
⊚ false
24) The recorded body temperature of patients in the group of patients under research study is an
example of time series data.
⊚ true
⊚ false
25) Body weight is an example of a discrete variable.
⊚ true
⊚ false
26) The mathematical operation of addition can be performed on nominal data.
⊚ true
⊚ false
27) A ZIP code is an example of numerical data.
⊚ true
⊚ false
Version 1 3
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